AWS-Developer Test Questions Fee, AWS-Developer Pass Guide

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The AWS Certified Developer - Associate Exam covers a wide range of topics, including AWS services, compute, storage, networking, databases, security, and application integration. AWS-Developer exam consists of 65 multiple-choice questions, and candidates are given 130 minutes to complete the exam. AWS-Developer Exam is available in multiple languages, including English, Japanese, Korean, and Simplified Chinese.

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Amazon AWS-Certified-Developer-Associate (AWS Certified Developer - Associate) certification exam is a popular credential for developers who work with Amazon Web Services (AWS). AWS Certified Developer Associate Exam (DVA-C02) certification validates a developer's ability to design, develop, and deploy cloud-based solutions using AWS. AWS-Developer Exam covers a broad range of topics, including AWS core services, security, and deployment models.

Amazon AWS Certified Developer Associate Exam (DVA-C02) Sample Questions (Q64-Q69):

NEW QUESTION # 64
A Developer writes an AWS Lambda function and uploads the code in a .ZIP file to Amazon S3. The Developer makes changes to the code and uploads a new .ZIP file to Amazon S3. However, Lambda executes the earlier code.
How can the Developer fix this in the LEAST disruptive way?

Answer: B


NEW QUESTION # 65
A company maintains an application responsible for processing several thousand external callbacks each day.
The company's System administrators want to know how many callbacks are being received on a rolling basis, and they want this data available for 10 days. The company also wants the ability to issue automated alerts if the number of callbacks exceeds the defined thresholds.
What is the MOST cost-effective way to address the need to track and alert on these statistics?

Answer: D


NEW QUESTION # 66
An application under development is required to store hundreds of video files. The data must be encrypted within the application prior to storage, with a unique key for each video file.
How should the Developer code the application?

Answer: A

Explanation:
Explanation
Refer AWS documentation - KMS GenerateDataKey
Returns a data encryption key that you can use in your application to encrypt data locally.
You must specify the customer master key (CMK) under which to generate the data key. You must also specify the length of the data key using either the field. You must specify one field or the other, but not both. For common key lengths (128-bit and 256-bit symmetric keys), we recommend that you use KeySpec. To perform this operation on a CMK in a different AWS account, specify the key ARN or alias ARN in the value of the KeyId parameter.
This operation returns a plaintext copy of the data key in the field of the response, and an encrypted copy of the data key in the CiphertextBlob encrypted under the CMK specified in the KeyId field of the request.


NEW QUESTION # 67
A developer wants to use an AWS AppSync API to invoke AWS Lambda functions to return data. Some of the Lambda functions perform long-running processes. The AWS AppSync API needs to return responses immediately.
Which solution will meet these requirements with the LEAST operational overhead?

Answer: D

Explanation:
Step-by-Step Breakdown:
Requirement Summary:
* AWS AppSync API needs to invoke Lambda functions
* Some Lambda functions are long-running
* AppSync should return immediately, minimizing operational overhead
**Option A: AppSync + Lambda as data source using Event Mode
* # Correct: AWS AppSync supports asynchronous (event) invocation of Lambda data sources using Event Mode.
* Event Mode means:
* AppSync invokes Lambda asynchronously
* Immediately returns a response to the client (typically a predefined payload or null)
* Ideal for fire-and-forget workloads or when the response is not immediately needed Option B: Increase Lambda timeout
* # Incorrect: This keeps AppSync waiting.
* Even with increased timeout, synchronous invocations would block AppSync responses.
Option C: SQS queue + polling Lambda
* # Possible but too complex for this use case.
* Requires additional infrastructure: queue + mapping + custom logic.
* Higher operational overhead compared to built-in AppSync Event Mode.
Option D: Enable caching in AppSync
* # Irrelevant: AppSync cache is for optimizing repeated read queries, not for async workflows.
* Asynchronous Lambda with AppSync: https://docs.aws.amazon.com/appsync/latest/devguide/resolver- mapping-template-reference-lambda.html#async-lambda-invocation
* Lambda as AppSync Data Source: https://docs.aws.amazon.com/appsync/latest/devguide/tutorial- lambda-resolvers.html
* Event Mode Docs: https://docs.aws.amazon.com/appsync/latest/devguide/lambda-resolvers.html#event- invocation-mode


NEW QUESTION # 68
A company is about to migrate an application from its on-premises data center to AWS. As part of the
planning process, the following requirements involving DNS have been identified.
On-premises systems must be able to resolve the entries in an Amazon Route 53 private hosted zone.

Amazon EC2 instances running in the organization's VPC must be able to resolve the DNS names of

on-premises systems
The organization's VPC uses the CIDR block 172.16.0.0/16.
Assuming that there is no DNS namespace overlap, how can these requirements be met?

Answer: D


NEW QUESTION # 69
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